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參數(shù)資料
| 型號： | PKJ4316APIP |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 350 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, PACKAGE-9 |
| 文件頁數(shù)： | 13/23頁 |
| 文件大?。?/td> | 700K |
| 代理商： | PKJ4316APIP |
Ericsson Internal
PRODUCT SPECIFICATION
4 (5)
Prepared (also subject responsible if other)
No.
EQUENXU
3/1301-BMR 630 03/7 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EZYPING
2006-12-19
B
Thermal Consideration continued
Definition of reference temperature (Tref)
The reference temperature is used to monitor the temperature
limits of the product. Temperatures above maximum Tref are
not allowed and may cause degradation or permanent
damage to the product. Tref is also used to define the
temperature range for normal operating conditions.
Tref is defined by the design and used to guarantee safety
margins, proper operation and high reliability of the module.
Ambient Temperature Calculation
By using the thermal resistance the maximum allowed
ambient temperature can be calculated.
1. The power loss is calculated by using the formula
((1/η) - 1) × output power = power losses (Pd).
η = efficiency of converter. E.g 89.5 % = 0.895
2. Find the thermal resistance (Rth) in the Thermal Resistance
graph found in the Output section for each model.
Calculate the temperature increase (ΔT).
ΔT = Rth x Pd
3. Max allowed ambient temperature is:
Max Tref - ΔT.
E.g PKJ 4316 API at 2m/s:
1. ((
) -
1) × 350 W = 52.3 W
2. 52.3 W × 1.8°C/W = 94.1°C
3. 120 °C —94.1°C = max ambient temperature is 25.9°C.
The actual temperature will be dependent on several factors
such as the PCB size, number of layers and direction of
airflow.
Connections
Pin
Designation
Function
1
+In
Positive input
2
RC
Remote control
3
Case
Connected to base plate
4
-In
Negative input
5
-Out
Negative output
6
-Sen
Negative sense
7
Vadj
Output voltage adjust
8
+Sen
Positive sense
9
+Out
Positive output
1
0.87
E
PKJ 4000 series RFPA products
DC/DC converters, Input 35-75 V, Output 12.4 A/350 W
EN/LZT 146 367 R2A March 2008
Ericsson Power Modules AB
Technical Specication
20
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PKJ4316PI | 功能描述:DC/DC轉(zhuǎn)換器 28 Vdc 11A Iso Input 36-75V 310W RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PKJ4316PILA | 制造商:Ericsson 功能描述:DC - DC CONVERTER |
| PKJ4316PIM | 制造商:Ericsson 功能描述:28V, 11A / 310W - Bulk |
| PKJ4318PIT | 制造商:Ericsson 功能描述:DC/DC POWER MODULE |
| PKJ4418LEPI | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 1.2V 40A 48W - Bulk |
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